Quote:
Originally Posted by berettafan
ok that's good to know. I guess I was wondering if that reflected heat wasn't overheating the sealed area between panes.
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Unless that heat is being retained, it shouldn't do any harm. And since that heat is passing through, it doesn't seem like it can be retained if it's diverted back out. And if concerned, use the exterior type of film so the reflection happens on the outside rather than allowing it to pass to the inner pane and then reflect out.